code: def test_basic(self, serve_instance, deployment: Deployment):
      @serve.deployment
      class Delegate:
          def __init__(self, streamer: RayServeHandle):
              self._h = streamer
  
          async def __call__(self):
              h = self._h.options(stream=True)
  
              # Test calling __call__ generator.
              gen = h.remote(5)
              assert [result async for result in gen] == list(range(5))
  
              # Test calling another method name.
              gen = h.other_method.remote(5)
              assert [result async for result in gen] == list(range(5))
  
              # Test calling another method name via `.options`.
              gen = h.options(method_name="other_method").remote(5)
              assert [result async for result in gen] == list(range(5))
  
              # Test calling a unary method on the same deployment.
              assert await h.options(stream=False).unary.remote(5) == 5
  
      h = serve.run(Delegate.bind(deployment.bind()))
      h.remote().result()
  
imports: import sys
  from typing import AsyncGenerator, Generator
  import pytest
  from ray import serve
  from ray.serve import Deployment
  from ray.serve.handle import RayServeHandle
label_desc: Use image node_id 1 for calling the TestDeploymentHandleStreaming obj's underlying member method code with example usage: obj.test_basic(serve_instance, deployment) without return types